THE INFLUENCE OF pH AND CERTAIN GROWTH FACTORS ON MYCELIAL GROWTH AND PERITHECIAL FORMATION BY SORDARIA FIMICOLA

Lilly, Virgil Greene; Barnett, H. L.

doi:10.1002/j.1537-2197.1947.tb12968.x

Cited by 28 publications

(7 citation statements)

References 9 publications

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“…Thus the existence of distinct biotypes in nature is indicated. Lilly and Barnett (1947), in a study of five isolates of S. firnicola, found that all Cll have little or no effect upon spore size ( fig. 10), but the germination of y spores is greatly reduced, about 36 per cent germination being obtained with spores taken from pure y cultures.…”

mentioning

confidence: 99%

Genetics of Sordaria Fimicola. I. Ascospore Color Mutants

Olive

1956

American J of Botany

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confidence: 99%

Genetics of Sordaria Fimicola. I. Ascospore Color Mutants

Olive

1956

American J of Botany

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“…This vitamin is reported to have beneficial effect on a large number of organisms and its deficiency has been observed in all the major groups of fungi. Phycomyces blakesleeanus (SCHOPFER 1934b), Pythium butleri (ROBBINS and KAVANAGH 1938), Sordaria fimicola (LILLY and BARNETT 1947), Blastocladia pringsheimii (CANTINO 1948) and Trichophyton violaceum (GEORGE 1951) are some of the organisms which have been found to be either partially or totally deficient for thiamine. This vitamin, however, had very little beneficial effect on the growth of one of the present fungi (C, gloeosporioides).…”

Section: Discussionmentioning

confidence: 99%

“…Thiamine depressed the growth of Rhizopus spp. (LILLY and LEONIAN 1940) and Fusarium spp. (TUREL 1952).…”

Section: Wildiersmentioning

confidence: 99%

Influence of Five Vitamins on the Growth of Certain Pathogenic Fungi

Prasad

1966

J Phytopathol

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“…A sucrose-nitrate medium, with thiamine and biotin added, was used wlhich has been reported to be optimal for perithecial initiation and development (1,4,26). Its Biological Laboratories or Difco Laboratorv) in 1000 ml distilled water.…”

Section: Methodsmentioning

confidence: 99%

Selective Effects of Purine and Pyrimidine Analogues and of Respiratory Inhibitors on Perithecial Development and Branching in Sordaria

Lindenmayer

Schoen

1967

Plant Physiol.

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Sumimtary. The initiation of perithecia in the homothallic ascomycete Sordaria fimiiicola was completely suppressed, without seriously inhibiting vegetative growth, by growing the fungus on an agar medium containing one of the following additions: 1) 1 uM 5-fluorouracil, 2) 10 to 100 jum 6-azauracil, 8-azaguanine or 8-azaadenine, 3) 50 to 500 uM cyanide or azide, 4) 5 % (w/,v) casein 'hydrolysate. In contrast to the selective activity of the analogues of 3 RNA bases, whose inhibition could be reversed by the appropriate normal bases only, none of the analogues of thymine were active, neither were the thio-derivatives of RNA bases. Other inhibitors of RNA and protein synthesis, like actinomycin D, puromycin and cycloheximide, were also without selective activity, although the last of these inhibited perithecial maturation at 0.1 um concentration but not initiation. Amino acid analogues were inactive, as were the metabolic inhibitors thiourea, 2,4-dinitrophenol and fluoride. The compounds which inhibited the formation of perithecia also lowered the branching frequencv of leading hyphae, but not their linear growth rates. Consequently, the branch (lensities wvere diminished in their presence. Hypotheses to account for these findings are discussed in terms of inhibition of growth in general, of the synthesis of some specific messenger RNAs, and of RNA-mediated transport across membranes, the last of which seeming the most fruitful for further work.Purine and pyrimidine analogues have been found to intervene at crucial developmental stages in both plants and animals. One of the most direct of these effects on p'aants was the suppression by some of the RNA base analogues of the normal sheet-like (cordate) growth of fern gametophytes while permitting their continued filamentous growth (3,20,21,22,29,30). None of the strictly DNA base analogues had such effect (29). Actinomycin D was effective (30), and so were 2 amino acid analogues, 5-methyltryptophane and ethionine (20-22), but not any of the common respiratory and glycolytic inhibitors (20). The leaf morphology of a water fern could be affected by application of 5-fluorouracil and 2-thiouracil, in the sense that normal lobation was suppressed and the characteristic sunken stomata of the land-form were favored (39). Similarly, 2-thiouracil affected leaf morphogenesis in flowering plants (17), and 5-fluorouracil has been demonstrated as an inhibitor of flower induction (8).

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THE INFLUENCE OF pH AND CERTAIN GROWTH FACTORS ON MYCELIAL GROWTH AND PERITHECIAL FORMATION BY SORDARIA FIMICOLA

Cited by 28 publications

References 9 publications

Genetics of Sordaria Fimicola. I. Ascospore Color Mutants

Genetics of Sordaria Fimicola. I. Ascospore Color Mutants

Influence of Five Vitamins on the Growth of Certain Pathogenic Fungi

Selective Effects of Purine and Pyrimidine Analogues and of Respiratory Inhibitors on Perithecial Development and Branching in Sordaria

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